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  • 2015 European Conference on Lasers and Electro-Optics - European Quantum Electronics Conference
  • (Optica Publishing Group, 2015),
  • paper EH_7_2

Blackbody metamaterial lasers

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Abstract

The concept of a traditional laser exploits a cavity with single or multiple resonant modes, and their coherent amplification in a feedback structure. With this contribution we endeavor to investigate a new concept in laser design, where lasing does not result from a cavity or a resonance, but conversely occurs in a system that is totally dark, i.e., a black-body. In thermodynamic equilibrium, a black-body emits the same amount of energy that is able to absorb, and behaves as an ideal thermal incoherent source. A particular intriguing question concerns the possibility of achieving coherent lasing emission, which can combine the high efficiency of the process of stimulated light amplification with the large emission of a black-body material.

© 2015 IEEE

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